SIOCRefAddressbookExample5 Dump all AddressBook's contacts prefix sioc: <http://rdfs.org/sioc/ns#> prefix sioct: <http://rdfs.org/sioc/types#> prefix vcd: <http://www.w3.org/2001/vcard-rdf/3.0#> prefix dct: <http://purl.org/dc/elements/1.1/> prefix dcc: <http://purl.org/dc/terms/> select ?FN ?nick ?address ?title ?created ?link ?topic where { ?forum a sioct:AddressBook . ?forum sioc:container_of ?post . optional {?post vcd:FN ?FN }. optional {?post vcd:NICKNAME ?nick}. optional {?post vcd:ADR ?address}. optional {?post dct:title ?title}. optional {?post dcc:created ?created}. optional {?post sioc:link ?link }. optional {?post sioc:topic ?topic } . } Sample Data (Live Query Results) Click *Here* for a live SPARQL Query (via SPARQL Protocol) against a collection of AddressBook contact list .